Plotting surface without axes

Question

I want to plot a surface without axes planes.. I think I'll explain better with images:

I want to get whis one:

Instead, I'm getting this:

Answer 1

This one disables all the axes stuff:

ax.grid(False)
for a in (ax.w_xaxis, ax.w_yaxis, ax.w_zaxis):
    for t in a.get_ticklines()+a.get_ticklabels():
        t.set_visible(False)
    a.line.set_visible(False)
    a.pane.set_visible(False)